what is assertion mention the forms availablean
What is assertion? Mention the forms available.
An assertion is a predicate expressing a condition that we wish the database always to satisfy.
Domain integrity constraints.
Referential integrity constraints
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q how is the respiratory system in aquatic molluscs characterized what adaptive respiratory structure do terrestrial molluscs presentin terrestrial
what are domain constraintsa domain is a set of values that might be assigned to an attribute all values that appear in a column of a relation must
what are referential integrity constraintsa value that appears in single relation for a given set of attributes also appears for a particular set of
q which kind of circulatory system do molluscs have how can it be compared to the respiratory system of annelidsmolluscs with the exception of
what is assertion mention the forms availablean assertion is a predicate expressing a condition that we wish the database always to satisfydomain
q how is the large size of some cephalopods related to the kind of circulatory system they presentin cephalopods the circulatory system is closed and
what is the need for triggerstriggers are useful mechanisms for alerting humans or for starting particular tasks automatically when particular
applications and disadvantages of electro chemical machiningdisadvantage of electro chemical machining1 the tools are more difficult to design2
q how is the excretory system of molluscs characterizedmolluscs have one or two pair of spongelike nephridia similar to
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